Quick Answer
Calculate NVH Shaft System Critical Speed (First Bending Mode) Calculator
Calculator
Result Interpretation
NVH Shaft System Critical Speed (First Bending Mode) Calculator computes Resonant Frequency in Hz using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Effective Rotating Mass = 4.8
- Equivalent Bending Stiffness = 1200000
Expected Result:
- Resonant Frequency = 79.577471545948
Engineering Interpretation:
Under the given input conditions, the calculated result is: Resonant Frequency = 79.577471545948 Hz.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
resonant frequency = (1.0 / (2.0 * 3.14159265358979)) * sqrt((equivalent bending stiffness * 1.0) / (effective rotating mass * 1.0))Formula family: formula_nvh_shaft_system_resonant_speed_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| k_equivalent | Equivalent Bending Stiffness | INPUT | Equivalent Bending Stiffness |
| m_effective | Effective Rotating Mass | INPUT | Effective Rotating Mass |
| resonant_frequency | Resonant Frequency | OUTPUT | Resonant Frequency |
Calculation Steps
- Enter the equivalent bending stiffness in N/m.
- Enter the effective rotating mass in kg.
- Step 1: Compute resonant frequency.
- Read the resonant frequency (Hz) from the results.
Engineering Summary
Calculate NVH Shaft System Critical Speed (First Bending Mode) Calculator
Frequently Asked Questions
What does this calculator calculate?
The NVH Shaft System Critical Speed (First Bending Mode) Calculator estimates Resonant Frequency based on the input parameters you provide
Why is equivalent bending stiffness important in this calculation?
equivalent bending stiffness is directly proportional to resonant frequency. When you enter equivalent bending stiffness in N/m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result resonant frequency?
The calculator outputs resonant frequency in Hz. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Equivalent Bending Stiffness (N/m), Effective Rotating Mass (kg). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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